1,5-dichloro-1,1,3,3,5,5-hexamethyltrisiloxane
Also known as: 1,5-dichlorohexamethyltrisiloxane, bis[[chloro(dimethyl)silyl]oxy]-dimethylsilane, 1,5-dichloro-1,1,3,3,5,5-hexamethyl-trisiloxane, 1,1,3,3,5,5-hexamethyldichlorotrisiloxane, hexamethyl-1,5-dichlorotrisiloxane, 1,5-dichloro-1,1,3,3,5,5-hexamethyl disiloxane
1,5-dichloro-1,1,3,3,5,5-hexamethyltrisiloxane (CAS 3582-71-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H18Cl2O2Si3 and a molecular weight of 277.368 g/mol. Key properties include a melting point of -53 °C, a boiling point of 184.0±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 53.3±10.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3582-71-6
- Jingsj CID
- J-40939-2
- Molecular Formula
- C6H18Cl2O2Si3
- Molecular Weight
- 277.368 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -53 °C |
|---|---|
| Boiling Point | 184.0±0.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 53.3±10.8 °C |
| Exact Mass | 275.999176 |
| PSA | 18.46000 |
| LogP | 6.75 |
| Vapor Pressure | 1.0±0.3 mmHg at 25°C |
| Refractive Index | 1.426 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1,5-dichloro-1,1,3,3,5,5-hexamethyltrisiloxane?
The CAS number of 1,5-dichloro-1,1,3,3,5,5-hexamethyltrisiloxane is 3582-71-6.
What are the molecular formula and molecular weight of 1,5-dichloro-1,1,3,3,5,5-hexamethyltrisiloxane?
1,5-dichloro-1,1,3,3,5,5-hexamethyltrisiloxane has molecular formula C6H18Cl2O2Si3 and molecular weight 277.368 g/mol.
What are the upstream and downstream products of 1,5-dichloro-1,1,3,3,5,5-hexamethyltrisiloxane?
For 1,5-dichloro-1,1,3,3,5,5-hexamethyltrisiloxane, Upstream Products: Dichlorodimethylsilane, Chlorodimethylsilane, Hexamethylcyclotrisiloxane; Downstream Products: HEPTAMETHYL CYCLOTETRASILOXANE, Chlorotrimethylsilane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,5-dichloro-1,1,3,3,5,5-hexamethyltrisiloxane (CAS 3582-71-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40939-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.